package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
//    @Autowired
//    private StringRedisTemplate stringRedisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品，{}", dishDTO);
//        清除缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        clearCache(key);
        dishService.saveWithFlavor(dishDTO);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询,{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品,{}", id);
        DishVO dishVo = dishService.getById(id);
        return Result.success(dishVo);
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
//    将传来的多个参数封装到list集合中
    public Result delete(@RequestParam List<Long> ids) {
        dishService.delete(ids);
////        获取所有存在Redis中的菜品数据的key
//        Set keys=redisTemplate.keys("dish_*");
////        将所有菜品缓存数据删除
//        redisTemplate.delete(keys);
        clearCache("dish_*");
        return Result.success();
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品,{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);
//        因为修改菜品操可能会涉及到修改菜品的分类，这时会有多组数据发生变化，因此为了方便要删除所有菜品缓存数据
//        获取所有存在Redis中的菜品数据的key
//        Set keys=redisTemplate.keys("dish_*");
////        将所有菜品缓存数据删除
//        redisTemplate.delete(keys);
        clearCache("dish_*");
        return Result.success();
    }
    @PostMapping("/status/{status}")
    @ApiOperation("菜品停售起售")
    public Result updateStatus(@PathVariable Integer status, Long id) {
        log.info("菜品停售起售,{}", status, id);
        dishService.updateStatus(status, id);
        clearCache("dish_*");
////        获取所有存在Redis中的菜品数据的key
//        Set keys=redisTemplate.keys("dish_*");
////        将所有菜品缓存数据删除
//        redisTemplate.delete(keys);
        return Result.success();
    }
//    清理缓存数据
    private void clearCache(String patter){
        Set keys=redisTemplate.keys(patter);
        redisTemplate.delete(keys);
    }
}
